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Bitcoin News Digest Podcast

Bitcoin News Digest Podcast

Auteur(s): Mike Richardson
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Bitcoin News Digest delivers daily updates on Bitcoin’s price, institutional adoption, regulatory shifts, and market trends. Stay ahead with actionable insights for investors, straight to your inbox. Join us to navigate the crypto market with confidence.

bitcoinnewsdigest.substack.comMike Richardson
Finances personnelles Politique Économie
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  • [REPLAY] Deep Dive Special: What is Bitcoin Mining?
    Jan 11 2026
    1. Executive SummaryBitcoin mining is the fundamental process that secures the Bitcoin network, verifies transactions, and introduces new bitcoins into circulation. What began as a "niche pursuit for cryptography enthusiasts" has transformed into a "multi-billion dollar industrial sector." This transformation is driven by the Proof-of-Work (PoW) consensus mechanism, which requires the "continuous expenditure of computational energy" to maintain the network's integrity. The evolution of mining hardware, from CPUs to specialized ASICs, and the parallel shift from individual hobbyists to "professional, corporate mining farm[s]" illustrate a relentless technological and economic "arms race."Key controversies surrounding Bitcoin mining include its significant energy consumption, the risks of centralization (in hardware manufacturing, mining pools, and geography), and the ongoing debate over network governance, epitomized by the "Block Size War." Looking ahead, Bitcoin faces a critical transition from a security model reliant on a block subsidy to one sustained primarily by transaction fees, a transition that will largely depend on the future demand for on-chain block space and the role of Layer 2 solutions. The document also contrasts Proof-of-Work with Proof-of-Stake, highlighting their distinct trade-offs in security, decentralization, and energy efficiency.2. Introduction to Bitcoin MiningBitcoin mining is the "foundational process that underpins the world's first and largest decentralized digital currency." It serves three critical functions:* Transaction Validation: Verifies the integrity of transactions and adds them to the blockchain.* New Bitcoin Issuance: Methodically introduces new bitcoins into circulation at a predetermined rate.* Network Security: Secures the entire network against fraudulent activity, primarily the "double-spend problem."This process is a "computationally intensive competition rooted in cryptographic principles and driven by economic incentives." The metaphor of "mining" for "coins" is deliberate, drawing parallels to gold extraction, implying the "expenditure of work and resources," "controlled scarcity and issuance," and a "finite supply" of 21 million bitcoins.3. The Technical Underpinnings: Proof-of-Work3.1 Intellectual Genesis of Proof-of-WorkThe core of Bitcoin's consensus, Proof-of-Work (PoW), was not a novel invention but a "masterful synthesis of pre-existing cryptographic concepts." Key precedents include:* Dwork and Naor (1992): Proposed requiring computers to solve a "moderately hard, but not intractable function" to deter spam.* Hashcash (1997) by Adam Back: This anti-spam system required senders to find a hash value starting with a "predetermined number of zero bits" by repeatedly hashing an email header with a random number (nonce). Satoshi Nakamoto "explicitly cited Adam Back's Hashcash in the Bitcoin whitepaper," repurposing it to solve the double-spend problem without a central authority.3.2 The Bitcoin Mining ProcessMiners compete to create new "blocks" of transactions by solving a cryptographic puzzle.* Block Anatomy: A block consists of a list of transactions and a block header. The header contains critical fields, including the "Previous Block Hash" (linking blocks), a "Merkle Root" (summary of transactions), "Timestamp," "Difficulty Target," and a "Nonce."* Hashing Competition: Miners use the SHA-256 (Secure Hash Algorithm 256-bit) cryptographic function to repeatedly hash the block header, changing the "Nonce" field until they produce a hash "numerically less than or equal to the network's current difficulty target." This is a "brute-force race" where the first miner to find a valid hash wins the right to add the block.3.3 Difficulty AdjustmentThe Bitcoin protocol maintains a "consistent block production rate" of approximately "10 minutes" per block. To achieve this, an "automatic difficulty adjustment mechanism" recalibrates mining difficulty every "2,016 blocks" (roughly two weeks). If blocks are found faster, difficulty increases; if slower, it decreases. This "homeostatic negative feedback loop" ensures stability regardless of network hash rate fluctuations.3.4 Economic Incentive StructureMiners are incentivized by a dual reward system:* Block Subsidy: A predetermined amount of newly created bitcoin, initially 50 BTC, which is "cut in half approximately every 210,000 blocks (roughly every four years)" in an event known as "the halving." After the April 2024 halving, the subsidy is 3.125 BTC.* Transaction Fees: Miners collect fees attached to the transactions they include in their block. This dual system "serves the twin purposes of distributing the new coin supply in a decentralized manner and funding the 'security budget' of the network."4. The Evolution of Mining: From Hobbyists to Industry4.1 Technological Arms Race in HardwareThe history of Bitcoin mining is marked by a "relentless technological arms race," with each hardware generation ...
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    31 min
  • The Week That Was
    Jan 10 2026

    Executive Summary

    The first full trading week of January 2026 was defined by a profound divergence between deteriorating short-term market liquidity and accelerating long-term structural entrenchment of digital assets. While Bitcoin’s price experienced a sharp reversal after failing to breach the $95,000 resistance level, the underlying “build” layer of the industry saw historic advancements in institutional, sovereign, and corporate adoption.

    The week began with a euphoric rally, driven by a geopolitical supply-shock narrative surrounding Venezuela’s clandestine 600,000 BTC reserve and a “super-inflow” of nearly $700 million into U.S. Spot Bitcoin ETFs. However, this momentum stalled at a formidable options-related “Gamma Wall” at $95,000, triggering a tactical retreat. This culminated in a “Liquidity Sterilization” event, with the ETF complex seeing over $1.1 billion in net outflows over four consecutive days, including the first significant sales from market anchors like BlackRock’s IBIT. This deleveraging event has pushed Bitcoin into a defensive posture, testing the critical $90,000 support zone.

    In stark contrast to the risk-off price action, the week delivered a series of landmark victories for the asset class. Key developments include:

    Sovereign & Institutional Integration: The State of Wyoming launched the first-ever U.S. state-issued stablecoin (FRNT); Morgan Stanley filed for its own proprietary Bitcoin and Solana ETFs; and index giant MSCI rejected a proposal that would have forced the exclusion of companies like MicroStrategy from global equity indices.

    Venture Capital & Infrastructure Growth: Andreessen Horowitz (a16z) announced a $15 billion fund explicitly targeting the intersection of AI and Crypto, while stablecoin payments platform Rain secured a $250 million funding round.

    Global Regulatory Maturation: South Korea signaled its intent to approve Spot Bitcoin ETFs, a Trump-affiliated entity applied for a national trust bank charter to issue stablecoins, and the NYSE moved to normalize the listing process for Bitcoin products.

    The market is currently in a “Cleansing Phase,” excising the speculative froth from early January. While tactical indicators suggest further downside testing is possible, the structural foundations connecting the digital asset economy to the global financial system have never been stronger. The core conflict is between short-term tactical traders de-risking and long-term strategic capital building permanent infrastructure.



    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bitcoinnewsdigest.substack.com
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    16 min
  • Deep Dive 1/9/26
    Jan 9 2026

    Executive Summary

    The 24-hour period ending 07:00 CST on January 9, 2026, has established a clear and significant divergence in the digital asset market. The prevailing condition is one of “Institutional Capitulation amidst Sovereign Infrastructure Expansion.” While immediate liquidity conditions have sharply deteriorated—evidenced by Bitcoin’s struggle to hold the $90,000 level and a massive $1.1 billion net outflow from spot Bitcoin ETFs over 72 hours—the underlying structural and regulatory framework is undergoing positive transformation.

    The market is currently in a “Cleansing Phase,” flushing leverage and setting a more sustainable foundation. The core conflict is between tactical, short-term liquidity concerns and strategic, long-term infrastructure entrenchment. While the immediate outlook is bearish, with key support at the 88,500−89,100 zone, the convergence of regulatory clarity, sovereign-level integration, and ongoing corporate adoption creates a powerful long-term constructive thesis.



    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bitcoinnewsdigest.substack.com
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    16 min
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